[Bug 1689674] Re: unattended-upgrade crashed with AttributeError in _write(): 'NoneType' object has no attribute 'write'

[Apport retracing service]

*** This bug is a duplicate of bug 1689514 ***
    https://bugs.launchpad.net/bugs/1689514

Thank you for taking the time to report this crash and helping to make
this software better.  This particular crash has already been reported
and is a duplicate of bug #1689514, so is being marked as such.  Please
look at the other bug report to see if there is any missing information
that you can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report.  Please continue to report any other bugs you may
find.

** Tags removed: need-duplicate-check

** Changed in: unattended-upgrades (Ubuntu)
   Importance: Undecided => Medium

** Attachment removed: "ProcMaps.txt"
   https://bugs.launchpad.net/bugs/1689674/+attachment/4874402/+files/ProcMaps.txt

** Attachment removed: "ProcStatus.txt"
   https://bugs.launchpad.net/bugs/1689674/+attachment/4874403/+files/ProcStatus.txt

** This bug has been marked a duplicate of private bug 1689514

** Information type changed from Private to Public

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https://bugs.launchpad.net/bugs/1689674

Title:
  unattended-upgrade crashed with AttributeError in _write(): 'NoneType'
  object has no attribute 'write'

Status in unattended-upgrades package in Ubuntu:
  New

Bug description:
  After my computer came back from sleep mode.

  ProblemType: Crash
  DistroRelease: Ubuntu 17.10
  Package: unattended-upgrades 0.93.1ubuntu3
  Uname: Linux 4.11.0-041100rc6-generic x86_64
  ApportVersion: 2.20.4-0ubuntu6
  Architecture: amd64
  CrashCounter: 1
  Date: Tue May  9 19:39:07 2017
  ExecutablePath: /usr/bin/unattended-upgrade
  InstallationDate: Installed on 2017-04-18 (21 days ago)
  InstallationMedia: Ubuntu-GNOME 17.04 "Zesty Zapus" - Release amd64 (20170412)
  InterpreterPath: /usr/bin/python3.5
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python3 /usr/bin/unattended-upgrade -d 3
  ProcEnviron:
   LANGUAGE=en_CA:en
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
  PythonArgs: ['/usr/bin/unattended-upgrade', '-d', '3']
  SourcePackage: unattended-upgrades
  Title: unattended-upgrade crashed with AttributeError in _write(): 'NoneType' object has no attribute 'write'
  UpgradeStatus: Upgraded to artful on 2017-04-29 (10 days ago)
  UserGroups:

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